It means that if you need technical assistance with Parallels Desktop 10 for Mac after this date, you will need to buy a Support Phone Package.

If you would like to receive unlimited 24/7 technical support and experience the best Parallels Desktop for Mac performance, we highly recommend you to upgrade to the latest version - Parallels Desktop 12 for Mac.

Permanent Parallels Desktop 12 licenses include free 30-day post activation phone and chat support and 2 years of free email support from the date of release. Subscriptions for Parallels Desktop 12 include unlimited phone, chat and email support for the period of the subscription validity.